Home / 442,018,062.03-662,913,997.80-131,052,963.42

Finding the Fourth Proportional to 442,018,062.03, 662,913,997.80 and 131,052,963.42

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Solution

The fourth proportional to 442,018,062.03, 662,913,997.80 and 131,052,963.42 is: 196,545,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,018,062.03 : 662,913,997.80 = 131,052,963.42 : x
  2. Step 2: Convert to fraction form
    442,018,062.03/662,913,997.80 = 131,052,963.42/x
  3. Step 3: Cross multiply
    442,018,062.03x = 662,913,997.80 × 131,052,963.42
  4. Step 4: Simplify right side
    442,018,062.03x = 86,876,843,904,289,360
  5. Step 5: Solve for x
    x = 86,876,843,904,289,360/442,018,062.03
  6. Step 6: Final answer
    x = 196,545,913.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.